A month of misery for a Hawaii mother... Still unable to believe someone could've killed her son on Molokai... Good evening, I'm Paula Akana. And I'm Yunji de Nies. It's a KITV4 exclusive... The mother of a 19 year-old found dead long the side of the road is asking for help. She talked to KITV4's Lara Yamada about her grief... And a new reward she hopes will bring answers... ) 5925 He just had this huge spirit. Fearless and full of laughter. Nancy Campbell- Kowardy says her son Koshari Kahikili Waits... ...was finding his passion. 0027 NATS: The hydro system is getting pumped by a couple different catchments ... Only days before his death... he sent her this video of the hydro electric shed he'd created on Pu'u O Hoku Ranch on Molokai. His boss offered him a promotion May 19th. The next day his body was found.... on dirt road in Mapulehu. A moped rider finding Koshari... with what police called a "suspicious" wound on his head. 707-20 As a mom you can't really wrap your brain around that your child could be gone. Just saying it out loud, I can't really imagine this could really be true. Two days later, officers arrested 39-year old Jeffrey Davis on "suspicion of murder." A man Kowardy says her family KNOWS. With no formal charges ... Davis has since been released. 800-07 I just wanted to somehow be able to take care of his body in a way that fit more with our beliefs and spirituality. Three miles off shore ... they offered Koshari's remains to the ocean he so loved. Then, a memorial... with family and friends. 14-year old Kua... riding on Koshari's beloved surfboard. Staying close to the soul of the brother... beyond his reach. 1200 I'm really praying that if anybody has any real information they can help answer some of these questions and help us as a family to ... 11 ) ) 1220-27 ...give us some kind of peace so I don't have to be laying awake at night wondering what happened. Lara Yamada KITV4 News. The family is now offering a $25,000 reward -- for information that will lead to an arrest and a conviction. They plan to place an ad -- THIS WEEK -- in "The Maui News" and "Molokai Dispatch." Maui police will only say the case is under investigation. There's also a Facebook Page called "In Loving Memory of Koshari Nalu Kahikili Waits." And the Pu'u O Hoku Ranch on Molokai -- is holding a surf clinic in his honor -- in Halawa Valley on